For a given matrix, calculate the index of the first non-zero element in each column. Assuming a column with all elements zero is not permitted.
Example:
in->x = [0 1 0 0;
4 3 7 0;
0 0 2 6;
0 9 0 5];
out->i = [2 1 2 3]; % row numbers
Solution Stats
Problem Comments
2 Comments
Solution Comments
Show comments
Loading...
Problem Recent Solvers955
Suggested Problems
-
Find common elements in matrix rows
2720 Solvers
-
1376 Solvers
-
Reverse the Words (not letters) of a String
475 Solvers
-
373 Solvers
-
Side of an equilateral triangle
7056 Solvers
More from this Author10
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!
I fixed the test. There was no assert statement.
Test cases have been added.